GRAND FORKS AIR FORCE BASE, N.D. - A B-2 Spirit approaches the boom of a 319th Air Refueling Wing KC-135 Stratotanker for aerial refueling over the skies of the Midwest. Able to fly more than 1,500 miles with 150,000 pound transferable of transferable fuel, the KC-135 enable global reach for U.S. and allied aircraft. (U.S. Air Force photo/Senior Airman Chad Kellum)